一、 1. am, are 2. Is, is 3. Are, am 4. is, is 5. is, is 6. are, are 7. is, is 8. Are, are
二、 1. swimming 2. running 3. writing 4. seeing 5. washing 6. playing
三、 1. C 2. A 3. B 4. A 5. B 6. C 7. B 8. A
四、 1. Are you a nurse? Yes, I am.
2. I'm playing the guitar.
3. I'm going to school everyday.
4. She is running.
5. What are you doing? |